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wallet: use taler runtime (tart) if available

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This commit is contained in:
Florian Dold 2022-12-21 18:50:15 +01:00
parent 0b6002bbbc
commit 8a98a5f880
No known key found for this signature in database
GPG Key ID: D2E4F00F29D02A4B
2 changed files with 55 additions and 37 deletions
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90
packages/taler-util/src/taler-crypto.ts
View File

@ -57,6 +57,36 @@ export function getRandomBytesF<T extends number, N extends string>(
export const useNative = true;
/**
* Interface of the native Taler runtime library.
*/
interface NativeTartLib {
decodeUtf8(buf: Uint8Array): string;
decodeUtf8(str: string): Uint8Array;
randomBytes(n: number): Uint8Array;
encodeCrock(buf: Uint8Array | ArrayBuffer): string;
decodeCrock(str: string): Uint8Array;
hash(buf: Uint8Array): Uint8Array;
eddsaGetPublic(buf: Uint8Array): Uint8Array;
ecdheGetPublic(buf: Uint8Array): Uint8Array;
eddsaSign(msg: Uint8Array, priv: Uint8Array): Uint8Array;
eddsaVerify(msg: Uint8Array, sig: Uint8Array, pub: Uint8Array): boolean;
kdf(outLen: number, ikm: Uint8Array, salt?: Uint8Array, info?: Uint8Array): Uint8Array;
keyExchangeEcdhEddsa(ecdhPriv: Uint8Array, eddsaPub: Uint8Array): Uint8Array;
keyExchangeEddsaEcdh(eddsaPriv: Uint8Array, ecdhPub: Uint8Array): Uint8Array;
rsaBlind(hmsg: Uint8Array, bks: Uint8Array, rsaPub: Uint8Array): Uint8Array;
rsaUnblind(blindSig: Uint8Array, rsaPub: Uint8Array, bks: Uint8Array): Uint8Array;
rsaVerify(hmsg: Uint8Array, rsaSig: Uint8Array, rsaPub: Uint8Array): boolean
}
// @ts-ignore
let tart: NativeTartLib | undefined;
if (useNative) {
// @ts-ignore
tart = globalThis._tart;
}
const encTable = "0123456789ABCDEFGHJKMNPQRSTVWXYZ";
class EncodingError extends Error {
@ -101,9 +131,8 @@ function getValue(chr: string): number {
}
export function encodeCrock(data: ArrayBuffer): string {
if (useNative && "_encodeCrock" in globalThis) {
// @ts-ignore
return globalThis._encodeCrock(data);
if (tart) {
return tart.encodeCrock(data);
}
const dataBytes = new Uint8Array(data);
let sb = "";
@ -142,9 +171,8 @@ export function kdfKw(args: {
}
export function decodeCrock(encoded: string): Uint8Array {
if (useNative && "_decodeCrock" in globalThis) {
// @ts-ignore
return globalThis._decodeCrock(encoded);
if (tart) {
return tart.decodeCrock(encoded);
}
const size = encoded.length;
let bitpos = 0;
@ -174,18 +202,16 @@ export function decodeCrock(encoded: string): Uint8Array {
}
export function eddsaGetPublic(eddsaPriv: Uint8Array): Uint8Array {
if (useNative && "_eddsaGetPublic" in globalThis) {
// @ts-ignore
return globalThis._eddsaGetPublic(eddsaPriv);
if (tart) {
return tart.eddsaGetPublic(eddsaPriv);
}
const pair = nacl.crypto_sign_keyPair_fromSeed(eddsaPriv);
return pair.publicKey;
}
export function ecdhGetPublic(ecdhePriv: Uint8Array): Uint8Array {
if (useNative && "_ecdheGetPublic" in globalThis) {
// @ts-ignore
return globalThis._ecdheGetPublic(ecdhePriv);
if (tart) {
return tart.ecdheGetPublic(ecdhePriv);
}
return nacl.scalarMult_base(ecdhePriv);
}
@ -194,9 +220,8 @@ export function keyExchangeEddsaEcdh(
eddsaPriv: Uint8Array,
ecdhPub: Uint8Array,
): Uint8Array {
if (useNative && "_keyExchangeEddsaEcdh" in globalThis) {
// @ts-ignore
return globalThis._keyExchangeEddsaEcdh(eddsaPriv, ecdhPub);
if (tart) {
return tart.keyExchangeEddsaEcdh(eddsaPriv, ecdhPub);
}
const ph = hash(eddsaPriv);
const a = new Uint8Array(32);
@ -211,9 +236,8 @@ export function keyExchangeEcdhEddsa(
ecdhPriv: Uint8Array & MaterialEcdhePriv,
eddsaPub: Uint8Array & MaterialEddsaPub,
): Uint8Array {
if (useNative && "_keyExchangeEcdhEddsa" in globalThis) {
// @ts-ignore
return globalThis._keyExchangeEcdhEddsa(ecdhPriv, eddsaPub);
if (tart) {
return tart.keyExchangeEcdhEddsa(ecdhPriv, eddsaPub);
}
const curve25519Pub = nacl.sign_ed25519_pk_to_curve25519(eddsaPub);
const x = nacl.scalarMult(ecdhPriv, curve25519Pub);
@ -377,9 +401,8 @@ export function rsaBlind(
bks: Uint8Array,
rsaPubEnc: Uint8Array,
): Uint8Array {
if (useNative && "_rsaBlind" in globalThis) {
// @ts-ignore
return globalThis._rsaBlind(hm, bks, rsaPubEnc);
if (tart) {
return tart.rsaBlind(hm, bks, rsaPubEnc);
}
const rsaPub = rsaPubDecode(rsaPubEnc);
const data = rsaFullDomainHash(hm, rsaPub);
@ -394,9 +417,8 @@ export function rsaUnblind(
rsaPubEnc: Uint8Array,
bks: Uint8Array,
): Uint8Array {
if (useNative && "_rsaUnblind" in globalThis) {
// @ts-ignore
return globalThis._rsaUnblind(sig, rsaPubEnc, bks);
if (tart) {
return tart.rsaUnblind(sig, rsaPubEnc, bks)
}
const rsaPub = rsaPubDecode(rsaPubEnc);
const blinded_s = loadBigInt(sig);
@ -411,9 +433,8 @@ export function rsaVerify(
rsaSig: Uint8Array,
rsaPubEnc: Uint8Array,
): boolean {
if (useNative && "_rsaVerify" in globalThis) {
// @ts-ignore
return globalThis._rsaVerify(hm, rsaSig, rsaPubEnc);
if (tart) {
return tart.rsaVerify(hm, rsaSig, rsaPubEnc);
}
const rsaPub = rsaPubDecode(rsaPubEnc);
const d = rsaFullDomainHash(hm, rsaPub);
@ -658,9 +679,8 @@ export function createEcdheKeyPair(): EcdheKeyPair {
}
export function hash(d: Uint8Array): Uint8Array {
if (useNative && "_hash" in globalThis) {
// @ts-ignore
return globalThis._hash(d);
if (tart) {
return tart.hash(d);
}
return nacl.hash(d);
}
@ -747,9 +767,8 @@ export function hashDenomPub(pub: DenominationPubKey): Uint8Array {
}
export function eddsaSign(msg: Uint8Array, eddsaPriv: Uint8Array): Uint8Array {
if (useNative && "_eddsaSign" in globalThis) {
// @ts-ignore
return globalThis._eddsaSign(msg, eddsaPriv);
if (tart) {
return tart.eddsaSign(msg, eddsaPriv);
}
const pair = nacl.crypto_sign_keyPair_fromSeed(eddsaPriv);
return nacl.sign_detached(msg, pair.secretKey);
@ -760,9 +779,8 @@ export function eddsaVerify(
sig: Uint8Array,
eddsaPub: Uint8Array,
): boolean {
if (useNative && "_eddsaVerify" in globalThis) {
// @ts-ignore
return globalThis._eddsaVerify(msg, sig, eddsaPub);
if (tart) {
return tart.eddsaVerify(msg, sig, eddsaPub);
}
return nacl.sign_detached_verify(msg, sig, eddsaPub);
}

2
packages/taler-wallet-embedded/src/wallet-qjs.ts
View File

@ -59,7 +59,7 @@ setGlobalLogLevelFromString("trace");
setPRNG(function (x: Uint8Array, n: number) {
// @ts-ignore
const va = globalThis._randomBytes(n);
const va = globalThis._tart.randomBytes(n);
const v = new Uint8Array(va);
for (let i = 0; i < n; i++) x[i] = v[i];
for (let i = 0; i < v.length; i++) v[i] = 0;